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SIEFKES 'A'

Lease 1001175402 · Stafford County, Kansas · Sec 3 T22S R12W · DOR 128827

Oil1990–20264 wells
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
59,185.18 bbl
First production
1990
Last production
2026
Location (PLSS)
Sec 3 T22S R12W

Monthly oil production

276 months filed with the Kansas Geological Survey, Mar 1990 to Mar 2026. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.

Total over the months shown
59,185.20 bbl
Months filed
276
Most wells in a month
3
MonthOil (bbl)Wells
Mar 2026158.593
Jan 2026168.803
Nov 2025164.883
Oct 2025157.813
Aug 2025164.753
Jun 2025166.583
Apr 2025165.233
Feb 2025167.013
Dec 2024162.303
Oct 2024157.063
Aug 2024157.053
Jun 2024159.893
Apr 2024157.023
Feb 2024162.443
Jan 2024159.103
Nov 2023161.743
Sep 2023162.793
Aug 2023155.943
Jun 2023161.993
May 2023158.463
Mar 2023160.513
Feb 2023169.053
Jan 2023160.253
Nov 2022168.373
Oct 2022168.792
Aug 2022170.792
Jun 2022163.472
May 2022166.662
Mar 2022340.382
Feb 2022157.622
Jan 2022167.102
Nov 2021159.012
Oct 2021169.892
Jul 2021298.542
May 2021161.942
Mar 2021164.412
Feb 2021167.322
Dec 2020154.152
Nov 2020158.892
Oct 2020168.412
Sep 2020164.902
Aug 2020167.332
Jun 2020321.962
Apr 2020155.822
Mar 2020161.162
Feb 2020170.302
Jan 2020163.642
Dec 2019167.952
Nov 2019173.532
Oct 2019156.202
Sep 2019163.502
Aug 2019331.933
Jul 2019328.513
Jun 2019163.033
May 2019338.543
Apr 2019499.353
Mar 2019859.643
Feb 20191,379.633
Dec 2018175.673
Oct 2018170.203
Aug 2018159.943
Jul 2018163.913
May 2018167.203
Apr 2018168.313
Feb 2018172.733
Dec 2017169.933
Nov 2017167.503
Sep 2017164.843
Jul 2017162.523
May 2017166.223
Mar 2017164.433
Jan 2017172.653
Oct 2016169.963
Sep 2016101.943
Jul 2016154.193
Jun 2016168.683
Apr 2016169.323
Mar 2016166.573
Jan 2016174.813
Dec 2015170.743
Oct 2015163.223
Aug 2015159.373
Jul 2015163.703
Jun 2015167.953
May 2015168.153
Apr 2015164.283
Mar 2015169.903
Feb 2015169.943
Jan 2015164.643
Dec 2014337.613
Nov 2014172.063
Oct 2014169.473
Sep 2014167.793
Aug 2014326.513
Jul 2014164.993
Jun 2014164.623
Apr 2014161.203
Mar 2014167.743
Feb 2014170.393
Jan 2014170.473
Dec 2013169.873
Nov 2013169.543
Oct 2013161.523
Aug 2013163.693
Jul 2013161.343
Jun 2013296.243
May 2013160.903
Apr 2013341.813
Mar 2013833.373
Jan 2013168.643
Nov 2012176.883
Oct 2012164.763
Sep 2012329.273
Jun 2012166.742
Mar 2012163.852
Feb 2012165.892
Nov 2011164.742
Jul 2011165.392
Jun 20114.502
May 2011167.422
Feb 2011171.472
Dec 2010164.952
Sep 2010155.282
Jul 2010157.312
Jun 2010168.542
Apr 2010156.812
Mar 2010159.182
Jan 2010158.932
Dec 2009167.982
Nov 2009165.682
Oct 2009158.902
Sep 2009486.602
Aug 2009330.022
Jul 2009165.362
Jun 2009158.022
May 2009157.492
Apr 2009170.952
Feb 2009317.872
Jan 2009173.532
Dec 2008173.402
Nov 2008169.622
Oct 2008332.382
Sep 2008160.982
Aug 2008330.132
Jul 2008157.012
Jun 2008157.132
May 2008160.092
Apr 2008340.432
Mar 2008333.312
Feb 2008161.262
Jan 2008326.102
Dec 2007159.492
Nov 2007506.172
Oct 2007494.932
Sep 2007660.352
Aug 2007843.892
Jul 2007668.612
Jun 2007157.932
May 2007339.132
Apr 2007332.462
Mar 2007328.602
Feb 2007171.982
Jan 2007161.892
Dec 2006332.991
Nov 2006167.041
Oct 2006160.721
Sep 2006156.231
Aug 2006326.401
Jul 2006158.111
Jun 2006157.551
May 2006158.221
Apr 2006160.601
Mar 2006166.641
Feb 2006161.431
Jan 2006161.781
Dec 2005160.881
Nov 2005162.281
Oct 2005171.451
Sep 2005158.021
Aug 2005165.251
Jul 2005326.121
Jun 2005162.521
May 2005160.311
Apr 2005171.461
Mar 2005320.151
Feb 2005159.341
Jan 2005162.051
Dec 2004164.591
Nov 2004157.411
Oct 2004318.911
Sep 2004155.691
Aug 2004160.721
Jul 200424.001
Jun 2004163.021
May 2004154.661
Apr 2004327.321
Mar 2004156.991
Feb 2004318.791
Jan 2004167.131
Dec 2003164.821
Nov 2003332.361
Oct 2003162.471
Sep 2003317.861
Aug 2003157.641
Jul 2003318.951
Jun 2003320.461
May 2003157.001
Apr 2003155.871
Mar 2003326.571
Feb 2003174.171
Jan 2003323.981
Dec 2002319.101
Nov 2002158.401
Oct 2002325.071
Sep 2002322.801
Aug 2002322.771
Jul 2002313.931
Jun 2002320.811
May 2002330.011
Apr 2002492.831
Mar 2002479.971
Feb 2002330.241
Jan 2002323.821
Dec 2001164.591
Nov 2001160.211
Oct 2001162.021
Sep 2001159.501
Aug 2001153.581
Jul 2001314.101
Jun 2001144.091
May 2001318.501
Apr 2001162.661
Mar 2001321.341
Jan 2001329.231
Dec 2000323.521
Nov 2000161.891
Oct 2000314.571
Sep 2000163.471
Aug 2000154.741
Jul 2000314.711
Jun 2000318.971
May 2000156.511
Apr 2000320.011
Mar 2000162.671
Feb 2000317.841
Jan 2000326.731
Dec 1999159.431
Nov 1999157.101
Oct 1999159.211
Sep 1999160.791
Aug 1999308.761
Jul 1999163.771
Jun 1999154.291
May 1999158.711
Apr 1999154.651
Mar 1999163.231
Feb 1999157.871
Jan 1999161.901
Dec 1998164.671
Nov 1998157.171
Oct 1998156.391
Sep 1998314.121
Aug 1998159.121
Jul 1998160.941
Jun 1998155.641
May 1998160.212
Apr 1998157.482
Mar 1998161.632
Feb 1998159.612
Jan 1998325.712
Oct 19954.001
Oct 19913.001
May 19913.001
Apr 199111.001
Sep 199016.001
Mar 199015.001

Lease-level volumes as filed with the Kansas Geological Survey. A blank well count is a month the state filed no count for, not a month with no wells.

Wells on this lease

4 wells the state's well register assigns to this lease. Every one has a page.

WellNo.OperatorStatus
Siefkes 'A'9Mai Oil Operations, Inc.Authorized Injection Well
SIEFKES 'A'10Mai Oil Operations, Inc.Producing
Siefkes 'A'11Mai Oil Operations, Inc.Producing
Siefkes 'A'13Mai Oil Operations, Inc.Producing

Location

38.165836, -98.628823 · Sec 3 T22S R12W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001175402. The state’s own record.